2024年宣化科技职业学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析

2024年宣化科技职业学院高职单招（英语／数学／语文）笔试历年参考题库含答案解析（图片大小可任意调节）第I卷一.数学单项选择题(共15题)1.设甲有两个不相等的实数根，则()

A.甲是乙的必要条件，但不是充分条件

B.甲是乙的充分条件，但不是必要条件

C.甲是乙的充分必要条件

D.甲不是乙的充分条件，也不是必要条件

2.已知f（x）是定义在R上的奇函数，当x≥0时，f（x）＝x2－2x，则f（x）在R上的表达式是（）

A.y＝x（x－2）

B.y＝x（∣x∣－1）

C.y＝∣x∣（x－2）

D.y＝x（∣x∣－2）

3.生产一种零件，在一天生产中，次品数的概率分布列如表所示，则E（ξ）为（）

A.0.9

B.1

C.0.8

D.0.5

4.已知抛物线y2=6x的焦点为F，点A（0，-1），则直线AF的斜率为（）

A.见图A

B.见图B

C.见图C

D.见图D

5.设函数y=k/x的图像经过点（2，-2），则k=

A.4

B.-4

C.1

D.-1

6.从1，2，3，4，5，6六个数字中，选出一个偶数数字和两个奇数数字组成一个无重复数字的三位数，总共有（）．

A.9个

B.24个

C.36个

D.54个

7.已知平面α、β、γ两两垂直，它们三条交线的公共点为O，过O引一条射线OP，若OP与三条交线中的两条所成的角都是60。，则OP与第三条交线所成的角为()

A.30o

B.45o

C.60o

D.不确定

8.已知平面向量ɑ=（-2，1）与b=（λ，2）垂直，则λ=（）

A.4

B.-4

C.-1

D.1

9.函数y＝lg(x2－3x＋2)的定义域为（）

A.{x|x＜1或x＞2}

B.{x|1＜x＜2}

C.{x|x＜1}

D.{x|x＞2}

10.下列函数中，在区间（0，+∞）为增函数的是（）

A.y=x-1

B.y=x2

C.y=sinx

D.y=3-x

11.已知集合A={2，4，8}，B={2，4，6，8}，则A∪B=（）

A.{2，4，6，8}

B.{2，4}

C.{2，4，8}

D.{6）

12.函数f(x)＝2sin(3x＋π)＋1的最大值为（）

A.－1

B.1

C.2

D.3

13.对满足a>b的任意两个非零实数，下列不等式成立的是（）

A.见图A

B.见图B

C.见图C

D.见图D

14.下列函数中，最小正周期为π的偶函数是（）

A.见图A

B.见图B

C.见图C

D.见图D

15.下列函数()是非奇非偶函数．

A.(x)=x

B.(x)=x2-2｜x｜-1

C.(x)=2｜x｜

D.(x)=2x

二.数学问答题(共3题)1.已知△ABC的内角A，B，C的对边分别为a,b，c，其中c＝2，又向量m＝（1，cosC），n＝（cosC，1），m·n＝1．

（Ⅰ）若A＝45°，求α的值；

（Ⅱ）若a＋b＝4，求△ABC的面积．

2.已知等差数列前n项和

(Ⅰ)求这个数列的逋项公式；

(II)求数列第六项到第十项的和．

3.已知椭圆和圆，M、N为圆与坐标轴的交点，求证：圆的弦MN是椭圆的切线．

三.英语单项选择题(共25题)1.Studentparticipation(参与)intheclassroomisnotonlyacceptedbutalsoexpectedofthestudentinmanycourses．Someprofessorsbasepartofthefinalgradeonthestudent'soralparticipation．Althoughthereareformallecturesduringwhichthestudenthasapassiverole(i．e．,listeningandtakingnotes),

manycoursesareorganizedaroundclassroomdiscussions,studentquestions,andinformallectures．Ingraduatediscussionstheprofessorhasa"manager"roleandthestudentsmakepresentationsandleaddiscussions．Thestudentsdotheactualteachinginthesediscussions．

Aprofessor'steachingmethodisanotherfactor(因素)thatdeterminesthedegreeandtypeofstudentparticipation．Someprofessorsprefertocontroldiscussionwhileothersprefertoguidetheclasswithoutcontrollingit．Manyprofessorsencouragestudentstoquestiontheirideas．Studentswhoobjecttotheprofessor'spointofviewshouldbepreparedtoprovetheirpositions．

Intheteachingofscienceandmathematics,thecontrollingmodeofinstructionisgenerallytraditional,withteacherspresentingformallecturesandstudentstakingnotes．However,neweducationaltrendshaveturnedupinthehumanitiesandsocialsciencesinthepasttwentyyears．Studentsineducation,society,andhistoryclasses,forexample,areoftenrequiredtosolveproblemsingroups,design

projects,makepresentations,andexaminecasestudies．Sincesomecollegeoruniversitycoursesare"practical"ratherthantheoretical,theypaymoreattentionto"doing"forthemselves．

Whichofthefollowingsentencesistrueaccordingtothepassage?

A.Studentparticipationisnotcommonintheclassroominmanycourseslikesociety

B.Someprofessorswanttocontroltheclassroomdiscussion

C.Someprofessorsusuallywantthestudentstotakepartintheteachingofscienceandmathematics

D.Neweducationaltrendshaveturnedupinteachingofnaturalsciencessuchaschemistry

2.In2008,theUnitedStatesDepartmentofAgriculture(USDA)wantedtoknowifalltheschoollunchesservedtostudentswerehealthy.Theanswerwasabig,fatNO!

TheUSDAfoundthatmostAmericanschoolsservedluncheswithtoomuchfatandsalt.Theyalsofoundthatmostofthefruitsandvegetablesinthelunchescamefromcans（罐头）.Cannedfruitsandvegetablesarenotasgoodasfreshones.

TheUSDAgivesschoolsfoodandmoneytomakelunches.Butschoolsmakeuptheirownmenus.Somemakehealthylunches.Mostdonot.NowtheUSDAwantsallschoolstoservemorehealthylunches.TheywantschoolstofollowtheUSDA'sguidelinesforbalanced（均衡）meals.

MikeSanders,inchargeoftheUSDAin2008,saidtheUSDAshouldteachschoolworkershowtomakehealthierlunches."Agoodschoollunchisjustasimportantasagoodtextbook,"Sanderssaid.Hesaidthatchildrenalsoneedtolearnabouthealthyfoods.

TheUSDAisworkingonanewprogram－FreshStart.Itwillgiveschoolsmorefreshfruitsandvegetables.FreshStartwillalsohelpschoolschangetheirlunchestomakethemhealthier.Tofindthebestwaytochangelunches,theUSDAheldmeetingswithparents,schoolleaders,doctors,andcooks.

ChildrenalreadyeathealthylunchesatChiefJosephSchoolinNorthSaratoga,Oregon.Theyhavewhole-wheatbreadwithlow-fatcheese,andlow-fatmilk.

Whatareschoolsrequiredtodotomaketheluncheshealthy?（）

A.Makeupnewguidelines

B.Providebalancedmeals

C.Cookwithmorevegetables

D.Designtheirownmenus

3.通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

InnearlyeverytownorcitycentreintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans（手段）of24asmallbutrespectableliving.

TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious（之前的）28toNewYork,oneofthemhadseenhomelesspeoplesellinganewspaperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.

Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions（版本）ofthemagazineindifferentpartsofthe32.Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33foronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.

____.

A.town

B.city

C.country

D.world

4.Katehelpedhermotherdosomehousework,____?（）

A.didn'tshe

B.didshe

C.helpedshe

D.shehelped

5.Marylooksgreat__________thispairoftrousers.

A.by

B.in

C.at

D.on

6.--DoyouliketalkingwithyourfriendsonthephoneorthroughtheInternet

--_______．Ienjoywritingletters．

A.None

B.Either

C.Neither

D.Both

7.OnceJohnnystartspaintingapicture,hewon′tstopuntilit_________

A.hadbeenfinished

B.wasfinished

C.isfinished

D.willbefinished

8.－DoyoumindifIopenthewindow?

－____．

A.Yes,please

B.No,goahead

C.No,pleasedon't

D.Yes,you'dbetterdo

9.Thenexttimeyoutryforahigh-rankingpost,youcouldletyourpossiblebosslistentoarecommending(推荐)phonecall"made"byUSPresidentGeorgeW．BushorBritishPrimeMinisterTonyBlair．

Ofcourse,neitherofthemcouldreallydothatforyou--youwouldjust"borrow"theirvoices．

AT&Tlabswillstartsellingspeechsoftwarethatitsaysissogoodatreproducingthesoundsofahmnanvoicethatitcanrecreatevoicesandevenbringthevoicesoflong-deadfamouspeoplebacktolife．

Thesoftware,whichturnsprintedtextintospeech,makesitpossibleforacompanytouserecordingsofaperson'svoicetosaythingsthatthepersonneveractuallysaid．

Possiblecustomersforthesoftware,whichispricedinthethousandsofdollars,includestelephonecallcenters,companiesthatmakesoftwarethatreadsdigital(数字的)fliesaloud,andmakersofautomatedvoicedevices(装量)．Theadvancesraiseseveralproblems．Who,forexample,ownstherightstoafamousperson'svoice?Someexpertsevenbelievethatnewcontracts(合同)willbedrawnthatincludevoice-licensingclauses．

Andalthoughscientistssaythetechnologyisnotyetgoodenoughtocommitfraud(假冒),wouldthesynthesized(合成的)voicesatlastbeabletotrickpeopleintothinkingthattheyweregettingphonecallsordigitalaudiorecordingsfrompeopletheyknow?

EvenMr．Fruchterman,oneofAT&Tlabs'possiblefirstcustomers,saidhewonderedwhatthenewtechnologymightbring．"Justlikeyoucan'ttrustaphotographanymore．"hesaid,"youwon'tbeabletotrustavoiceeither．"

Accordingtothepassage,youcaninferthat_______．

A.thesoftwarewillturnouttobeanimmediatesuccessinthemarket

B.thegovernmentwillforbidthesaleofthesoftwareinthemarket

C.it'shardtodecidewhetherthesoftwarewillenjoypopularity

D.thesoftwarewillsoonprovetobenothingbutrubbish

10.阅读下列短文，掌握其大意。然后，从每小题的四个选项中选出可填入相应空白处的最佳选项。

Mr.Joneswokeupearlyonemorning,beforethesunhadrisen.Itwasabeautifulmorning,21hewenttothewindowandlookedout.Hewas22toseeaneatly-dressedandmid-agedprofessor,who23intheuniversityjustuptheroadfromMr.Jones'house,comingthedirectionofthetown.Hehadgreyhair,thickglasses,andwas24anumbrella,amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave25bythenighttrain26takingataxi.

Mr.Joneshadabigtreeinhisgarden,andthechildrenhadtiedalongropetooneofthebranches,sothattheycouldswingonit.

Mr.Jonessawtheprofessor27whenhesawtheropeandlookedcarefullyupanddowntheroad．Whenhesawthattherewas28insight,hesteppedintothegarden(therewasnofence),puthisumbrella,newspaper,bagandhatnearlyonthegrassand29therope.Hepulledit30toseewhetheritwasstrongenoughtotakehisweight,thenranasfastashecouldandswungintothe31ontheendoftherope,hisgreyhairblowingallaroundhisface.32heswung,sometimestakingafewmore33stepsonthegrasswhentheropebegantoswingtooslowlyforhim.

34theprofessorstopped,straightenedhistie,combedhishaircarefully,putonhishat,35hisumbrella,newspaper,bag,andcontinuedonhiswaytotheuniversity,lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe.

（）

A.jog

B.talk

C.laugh

D.stop

11.SometimesIfeelthatbeingthemotherofthreesmallchildrenislikeoperatingalargecircus(马戏团).（21）afternoonlastweek,mythreesonsplayingpeacefullyinthebackyard(院子),（22）theballfromonetoanother.Ijumpedatthechancetotalktooneofmyfriends（23）thephone,butbeforeI（24）tothephone,Icouldtelltheboyshadbeguntoquarrelwitheachotheraboutsomething.Irushedoutto（25）peace,butbeforeIgotthereCharleshad（26）arockatMark,andhithimintheeye.BythetimeIgottothebackyard,theyhadbegunto（27）aboutthis.EvenDavid,theoldestboy,whowon′tusuallyfightwithanybodyabout（28）,wasinvolved(卷入,).First,I（29）themstopfighting,andthenIexaminedMark′seye.Idecidedthatitwasn′tgoingtodevelopintoablackeye,butIfeltthattheyshould（30）atleastalittlefor（31）theyhaddone"I′mgoingto（32）toyourfatheraboutthiswhenhecomeshomefortomglat,said."HeandIwillthinkofhowtopunishyou."Thingswere（33）quietafterthatabouthalfanhour,andthenCharles（34）aglassinthekitchen,andatalmostthesame（35）,Markfelloutoftheappletree.

第（27）题选

A.quarrel

B.talk

C.worry

D.fight

12.通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

Overthesummer,myfamilytookatriptoIcelandtoseethenaturalbeautyofit.LittledidI21Iwouldwakeuponemorningtohavemyeyesswelledup（肿胀）likeballoons!Iwasfrightened.Somanyquestionswere22throughmyhead.AmIallergic（过敏的）tosomething?WastheresomeIcelandicdiseasethatI23?TheonlyhelpIreceivedwassomeallergymedicine24aclinicnearby.Nothingwasworking.

Whenthetripwasover,lwenttoseemydoctor.Shegavemeeyedrops,butclearlytheyweren'tworththetimeor25andtheswellinggotworseandworse.

Ifinallydecidedthatitwouldbebestformeto26beingsosadandtakeiteasyandhavefun.Itwassummerafterall.Ihadafunnightwithmyfriendsasifnothingwas27.ThenextmorningIwokeupandwentto28howswollenmyeyeswere,onlytofindmyself29atmynormalface.Itwasamiracle（奇迹）I30askingmyselfwhyIhadn'tdonethatearlier.Wasbeingwithmyfriendsandhavingfunreallythe31tomyproblem?

TothisdayIstilldonotknowwhatIhad,and32doanyofthemanydoctorsthatI33duringthesummer.IwouldreallyliketogobacktoIcelandtoseetheNorthernLights,34IamverymuchfrightenedthatIamjustallergictothecountry.IhopeInever35havingsuchterribleswellinginmyeyeseveragain.

（）

A.way

B.relation

C.answer

D.devotion

13.GenerationsofAmericanshavebeenbroughtuptobelievethatagoodbreakfastisonelife’sessentials.Eatingbreakfastatthestartoftheday,wehaveallbeentold,andtoldagain,isasnecessaryasputtinggasolineinthefamilycarbeforestartingatrip.

Butformanypeoplethethoughtoffoodfirstthinginthemorningisbynomeansapleasure.Sodespitealltheefforts,theystilltakenobreakfast.Between1977and1983,thelatestyearforwhichfiguresareavailable,thenumberofpeoplewhodidn’thavebreakfast,increasedby33percent.

Forthosewhofeelpainofguiltaboutnoteatingbreakfast,however,thereissomegoodnews.Severalstudiesinthelastfewyearsindicatethat,foradultsespecially,theremaybenothingwrongwithomittingbreakfast.“Goingwithoutbreakfastdoesnotaffectperformance,”saidArroldE.Bender,formerprofessorofthenutritionatQueenElizabethCollegeinLondon,“nordoesgivingpeoplebreakfastimproveperformance.”

Scientificevidencelinkingbreakfasttobetterhealthorbetterperformanceissurprisinglyinadequate,andmostoftherecentworkinvolveschildren,notadults,“Theliterature”,saysoneresearcher,Dr.ErrestoattheUniversityofTexas,“ispoor”.

Thelatestyearforwhichfigurescouldbeobtainedis_______.

A.theyeartheauthorwrotethearticle

B.1977

C.anyyearbetween1997and1983

D.1983

14.WelcometoNorthRoadMedicalCentre!Weareopenfrom8:30a.m.until6p.m.MondaytoFriday.Appointments（预约）withthedoctorsandnursesareacceptablebothmorningandafternoon.However,asame-dayappointmentmaynotnecessarilybewithyourusualdoctor.Patientsmaybeseenbyanymemberoftheteam.

Ifyoudecidetoregister（注册）withus,pleasespeaktooneofourreceptionists（接诊员）.Youwillneedtocompletearegistrationform.Eachnewpatientisaskedtoanswersomemedicalquestions.Youshouldalsomakeanappointmenttoseeoneofthenursesforahealthchecksoonafterregistering.Thereissometimesadelayinhandingovermedicalrecordsfromyourearlierdoctor,andthisappointmentgivesusvaluableinformationaboutyourhealth.

TheOutofHoursServiceisreachablefrom6:30p.m.until8a.m.MondaytoFriday;atweekendsfrom6:30p.m.Fridayto8a.m.Monday.Telephone0845-345-8995totalktotheOutofHoursService.Theywillhaveadoctorgetintouchwithyou.

Formedicaladvice,youcancallNHSDirect(24hours)on0845-4647orthroughtheInternetat.Youcanalwaysgetadviceoverthetelephone.

Ifyouaretooilltocometothemedicalcentre,youcanaskforahomevisitoverthetelephone.Mostvisitsbydoctorsaremadebetween12noonand3p.m.lfyouareabletophonebefore11a.m.,thishelpsustoplantheday.

Whatisanewpatientadvisedtodoafterregistration?（）

A.Handovermedicalrecords

B.Takeahealthcheck

C.Completeaninformationform

D.Asksomemedicalquestions

15.____,flowersneedalotofsunandwater.（）

A.Whengrowing

B.Theyaregrowing

C.Whentheygrowing

D.Whengrowth

16.通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

InnearlyeverytownorcitycentreintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans（手段）of24asmallbutrespectableliving.

TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious（之前的）28toNewYork,oneofthemhadseenhomelesspeoplesellinganewspaperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.

Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions（版本）ofthemagazineindifferentpartsofthe32.Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33foronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.

____.

A.enjoying

B.changing

C.improving

D.making

17.Bobwouldhavehelpedusyesterday,buthe_______．

A.wasbusy

B.isbusy

C.hadbeenbusy

D.willbebusy

18.Jackcouldn'tdecide____abroadortofindajobathome.（）

A.whethertostudy

B.ifhestudy

C.whattostudy

D.thathestudy

19.E-mailorelectronicmail,isconsideredasthemoderncommunicationinthenewage.Itiscarriedoutincomputersallovertheworldbymillionsofusers.Inthisinvisibleworldasmanypeoplecallit,theuserscansendandreceiveletterstoandfromeverycorneroftheearth.Theysharethoughtswithpenpals（笔友）inNewZealand,askstrangersinBombay（孟买）questions,debatewithbusinessmaninManhattan.Allofthesearejusthappeningincomputersasfastasthetravellingofthelight,nowritingandspeaking,nopaperandstampsarenecessary.

E-mailisapipelinetothousandsofexpertsoneverything;itisameansofmeetingpeoplewithsimilarinterestsorproblems.Butitisnotalivetalk－arealconversationlikethoseintelephones.E-mailerscomposelettersatleisureontheircomputers,thensendthembyphonelinetoanon-lineservice,andthentheygoforwardtotherightplace.Aresponsecanbebackwithinhours,dependingonhowoftentherecipient（接受者）checksin.

Avastglobalnetworksofon-lineservicesforE-mailhasbeenbuilt.AlotofpeopleareregularlyusingthisserviceintheUSA.PeoplebelievethatE-mail,thecomputerizedexchange,wouldcreatefriendshipandbusinessdevelopments,andwouldchangepeople'slifeintheworld.

WhichofthefollowingexpressionisnotforE-mail?

A.Communicationinnewage

B.Invisibleworld

C.Alivetalk

D.Computerizedexchange

20.I'msorryIcouldn’tgetintouchwithhimbeforeheleft,I____himearlier.（）

A.hadatelephone

B.havephoned

C.shouldhavephoned

D.shouldbephoned

21.Lisawasrunninglate.Lisa,25,hadalottodoatwork,plusvisitorsontheway:herparentswerecominginforThanksgivingfromherhometown.Butasshehurrieddownthesubwaystairs,shestartedtofeeluncomfortablywarm.Bythetimeshegottotheplatform,Lisafeltweakandtired—maybeithadn′tbeenagoodideatogivebloodthenightbefore,shethought.Sherestedherselfagainstapostclosetothetracks.

Severalyardsaway,Frank,43,andhisgirlfriend,Jennifer,foundaspotclosetowherethefrontofthe.trainwouldstop.Theyweredeepindiscussionaboutahousetheywerethinkingofbuying.

Butwhenheheardthescream,followedbysomeoneyelling,"Oh,myGod,shefellin!"Frankdidn′thesitate.Hejumpeddowntothetracksandransome40feettowardthebodylyingontherails."No!Notyou!"hisgirlfriendscreamedafterhim.

Shewasrighttobealarmed.BythetimeFrankreachedLisa,hecouldfeelthetracksshakingandseethelightcoming.Thetrainwasabout20secondsfromthestation.

Itwashardtolifther.Shewasjustout.Buthemanagedtoraiseherthefourfeettotheplatformsothatbystanderscouldholdherbythearmsanddragherawayfromtheedge.ThatwaswhereLisabrieflyregainedconsciousness,feltherselfbeingpulledalongtheground,andsawsomeoneelseholdingherpurse.

Lisathoughtshe′dbeenrobbed.Awomanheldherhandandamangavehisshirttohelpstopthebloodpouringfromherhead.Andshetriedtotalkbutshecouldn′t,andthatwaswhensherealizedhowmuchpainshewasin.

Policeandfireofficialssoonarrived,andFranktoldthestorytoanofficer.Jennifersaidherboyfriendwascalmontheir40-minutetrainridedowntown—justashehadbeensecondsaftertherescue,whichmadeherthinkaboutherreactionatthetime."IsawthetraincomingandIwasthinkinghewasgoingtodie,"sheexplained.

WhatwasthemostprobablecauseforLisa′sweakness?

A.Shehadrunalongway

B.Shefelthotinthesubway

C.Shehaddonealotofwork

D.Shehaddonatedbloodthenightbefore

22.Lifegetsnoisiereverydayandveryfewpeoplecanfreefromnoiseofsomesortoranother.Itdoesn′tmatterwhereyoulive--inthemiddleofamoderncity,orafarawayvillage--thechancesthatyouwillbedisturbedbyjetaeroplanes,transistorradios,oilpoweredengines,etc.,arealmosteverywhere.Weseemtobegettingusedtonoise,too.Somepeoplefeelquitelonelywithoutback-groundmusicwhiletheyareworking.

Scientifictestshaveshownthattotalsilencecanbeveryfrighteningexperienceforhumanbeings.However,somepeopleenjoylisteningtopopmusicwhichisveryloud,andthiscandoharmtotheireardrums(耳鼓).Thenoiselevelinsomediscoisfarabovetheusualsafetylevelforheavyindustrialareas.

Onerecentreportaboutnoiseandconcentration(专心,)suggestedthatalthoughalotofpeoplesaythatanynoisedisturbstheirconcentration,whatreallyaffectstheirabilitytoconcentrateisachangeinthelevelofnoise.Itgoesontosaythatabackgroundnoise,whichdoesn′tchangetoomuch(music,forexample)lnayevenhelppeopletoconcentrate.

"Backgroundmusic"inthepassagemeans.

A.musicplayedintheconcert

B.akindofnoisecomingintoyourears

C.musicwhichhelpspeopletoconcentrate

D.musicplayedwhilepeopleareworking

23.通读下面的短文，掌握其大意。然后，从每小题的四个选项中选出最佳选项。

Manypeoplegotoschoolforanedueation.21learnlanguages,history,geography,physics,chemistryandmaths.Othersgotoschooltolearnaskillsothattheycan22aliving.School23isveryimportantanduseful.Yetnoonecanlearneverythingfromschool.Ateacher,nomatterhowmuchhe24,cannotteachhisstudentseverythingthey25toknow.Theteacher'sjobistoshowhisstudentshowtoreadandhowto26.Somuchmoreistobelearned27schoolbythestudentsthemselves.

Itisalwaysmoreimportanttoknowhowtostudyby28thantomemorize（熟记）somefactsorformula（公式）.Itis29quiteeasytolearna30factinhistoryoraformulainmathematics.Butitisverydifficulttouseaformulain31outamathsproblem.Greatscientists,suchasEinstein,NewtonandGalileo,didn'tlearnmanythingsfromschool.Buttheywereallso32thattheyinventedsomanythingsformankind.

The33fortheirsuccessisthattheyknewhowtostudy.Theyreadbooksthatwerenot34atschool.Theyworkedhardalltheirlives,wastingnotasinglemoment.Theywouldaskmanyquestionsastheyreadandtheydidthousandsof35.

____.

A.experiment

B.reason

C.result

D.way

24.通读下面的短文，掌握其大意。然后，从每小题的四个选项中选出最佳选项。

Enoughsleepisimportanttohealth.Theamountofsleepneeded21ontheageofthepersonandtheconditionsinwhichsleep22.Theyoungmayneedmoresleepthantheold,but23eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount,but24mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto25it.Sleepshouldbealwaysenoughtomakeonebringbackhisstrongandgetreadyfor26work.

Freshairis27tosoundsleep.Soitisnot28reasonforsomepeopletothinkthatitispracticabletosleepintheopenair.29apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthepleterelaxation.

Abilitytosleepislargelyahabit.Out-of-door31,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand32areallhelpfultosoundsleep.Suchfactorsarelargelywithinthe33ofanyperson.Abathat34,neitherhotnorcoolbutofbodytemperature,maybehelpfultosleep.Sleepproducingdrug（帮助睡眠的药物）shouldneverbetakenexceptwhensuggestedby35.

____.

A.worry

B.fear

C.carelessness

D.hardwork

25.Youcan'twatchTVuntilyou____thecomposition.（）

A.finish

B.wouldfinish

C.havefinished

D.hadfinished

四.英语多项选择题(共5题)1.Enoughsleepisimportanttohealth.Theamountofsleep（21）dependsontheageoftheper-sonandtheconditionsinwhichsleep（22）.Theyoungmayneedmoresleepthantheold,hut（23）eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount?but（24）mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto（25）it.Sleepshouldbealwaysenoughtomakeonerelaxed(松弛)andreadyfor（26）work.

Freshairis（27）tosoundsleep(酣睡).Itisnot（28）reasonforsomepeopletoinsistthat?itispracticaltosleepintheopenair.（29）apersoncankeephimselfwarm,out-of-doorsleeping?probablygivesthebody（30）completerelaxation.

Abilitytosleepislargelyahabit.Theconditionsrefen-edtoonlyleadtosleep.Out-of-door（31）,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand（32）areallhelpful?tosoundsleep.Suchfactorsarelargelywithinthe（33）ofanyperson.Abathat（34）,neither?hotnorcoldbutofbodytemperature,maybehelpfultosleep.Sleepingpillsshouldneverbetaken?exceptwhensuggestedby（35）.

第（35）题选

A.thesleeper

B.adoctor

C.achild

D.parents

2.TheordinaryfamilyincolonialNorthAmericawasprimarilyconcernedwithsheerphysicalsurvivalandbeyondthat,isowneconomicprosperity.Thus,childrenwerevaluedintermsoftheirproductivity,andtheyassumedtheroleofproducerquiteearly.Untiltheyfulfilledthisrole,theirpositioninthestructureofthefamilywasoneofsubordination（从属）,andtheirpsychologicalneedsandcapacitiesreceivedlittleconsideration.

Asthesocietybecamemorecomplex,thestatusofchildreninthefamilyandinthesocietybecamemoreimportant.Inthecomplex,technologicalsocietythattheUnitedStateshasbecome,eachmembermustfulfillanumberofpersonalandoccupationalrolesandbeinconstantcontactwithagreatmanyothermembers.Consequently,viewingchildrenaspotentiallyacceptablemembersofsocietymeansthattheyareregardedmoreaspeopleintheirownrightthanasutilitarianorganisms.Thisacceptanceofchildrenasequalparticipantsinthecontemporaryfamilyisreflectedinthevarietyofstatutesprotectingtherightsof